namespace Vin.Extension.Captcha.Constants;

public class VinRandomCodeConstants
{
    public readonly static char[] NumberChars = "0123456789".ToCharArray();
    public readonly static char[] LetterChars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ".ToCharArray();
    public static char[] LetterNumberChars => NumberChars.Concat(LetterChars).ToArray();
}